update to init stack workflow

.gitea/workflows/init-stack.yaml

@@ -3,15 +3,15 @@ name: Gitea Actions Demo
 run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
 on:
   pull_request:
-    branches:
-      - init-stack
     paths:
       - 'stack.yml'
-
+    tags:
+      - init-stack
 jobs:
   Create-Stack:
     runs-on: synology
     steps:
+        # if: contains(github.event.pull_request.head.ref, 'init-stack')
       - name: Checkout
         uses: https://github.com/actions/checkout@v4
         with: